Lindawati L, Sume SA, Muniroh L. PENGARUH KERAGAMAN PRODUK DAN PELAYANAN TERHADAP LOYALITAS KONSUMEN. Manager [Internet]. 2020 Dec. 11 [cited 2024 Nov. 21];3(1):11-2. Available from: https://ejournal.uika-bogor.ac.id/index.php/Manager/article/view/3823